package com.gsy.utils;


import org.apache.commons.lang3.StringUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.http.HttpServletRequest;


/**
 * HttpServletRequest工具类
*/
public class HttpServletRequestUtils {
	private static final Logger LOGGER = LoggerFactory.getLogger(HttpServletRequestUtils.class);

	/**
	 * 获取客户端真实IP
	 * 如果服务器存在nginx由于nginx反向代理，获取不到客户端的ip，需要添加nginx的配置，
	 * proxy_set_header X-Real-IP $remote_addr;
	 * proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
	 * 获取时取X-Forwarded-For或X-Real-IP即可
	 * @param request
	 * @return
	*/
	public static String getClientIp(HttpServletRequest request) {
		String ipAddress = null;
		//x-forwarded-for 
		ipAddress = request.getHeader("X-Forwarded-For");
		if (StringUtils.isBlank(ipAddress) || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("Proxy-Client-IP");
		}
		if (StringUtils.isBlank(ipAddress) || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("WL-Proxy-Client-IP");
		}
		if (StringUtils.isBlank(ipAddress) || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("HTTP_CLIENT_IP");
		}
		if (StringUtils.isBlank(ipAddress) || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("HTTP_X_FORWARDED_FOR");
		}
		if (StringUtils.isBlank(ipAddress) || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getHeader("X-Real-IP");

			//这里主要是获取本机的ip,可有可无  
			//			if (ipAddress.equals("127.0.0.1") || ipAddress.endsWith("0:0:0:0:0:0:1")) {
			//				// 根据网卡取本机配置的IP  
			//				InetAddress inet = null;
			//				try {
			//					inet = InetAddress.getLocalHost();
			//				} catch (UnknownHostException e) {
			//					LOGGER.error("获取客户端的网卡配置失败，error={}", e.getMessage());
			//				}
			//				ipAddress = inet.getHostAddress();
			//			}

		}

		// 对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割  
		if (ipAddress != null && ipAddress.length() > 15) { // "***.***.***.***".length() = 15   
			if (ipAddress.indexOf(",") > 0) {
				ipAddress = ipAddress.substring(0, ipAddress.indexOf(","));
			}
			LOGGER.info("进入多代理模式取ip，ip={}", ipAddress);
		}
		//或者这样也行,对于通过多个代理的情况，第一个IP为客户端真实IP,多个IP按照','分割    
		//return ipAddress!=null&&!"".equals(ipAddress)?ipAddress.split(",")[0]:null;
		if (StringUtils.isBlank(ipAddress) || "unknown".equalsIgnoreCase(ipAddress)) {
			ipAddress = request.getRemoteAddr();
		}
		return ipAddress;
	}

	/**
	 * 根据当前请求的特征，判断该请求是否来自手机终端，主要检测特殊的头信息，以及user-Agent这个header
	 * @param request http请求
	 * @return //false pc  true mobile
	*/
	public static boolean isMobileDevice(HttpServletRequest request) {
		/**Wap网关Via头信息中特有的描述信息*/
		String mobileGateWayHeaders[] = new String[] { "ZXWAP", //中兴提供的wap网关的via信息，例如：Via=ZXWAP GateWayZTE Technologies，
				"chinamobile.com", //中国移动的诺基亚wap网关，例如：Via=WTP/1.1 GDSZ-PB-GW003-WAP07.gd.chinamobile.com (Nokia WAP Gateway 4.1 CD1/ECD13_D/4.1.04)
				"monternet.com", //移动梦网的网关，例如：Via=WTP/1.1 BJBJ-PS-WAP1-GW08.bj1.monternet.com. (Nokia WAP Gateway 4.1 CD1/ECD13_E/4.1.05)
				"infoX", //华为提供的wap网关，例如：Via=HTTP/1.1 GDGZ-PS-GW011-WAP2 (infoX-WISG Huawei Technologies)，或Via=infoX WAP Gateway V300R001 Huawei Technologies
				"XMS 724Solutions HTG", //国外电信运营商的wap网关，不知道是哪一家
				"wap.lizongbo.com", //自己测试时模拟的头信息
				"Bytemobile",//貌似是一个给移动互联网提供解决方案提高网络运行效率的，例如：Via=1.1 Bytemobile OSN WebProxy/5.1
		};
		/**电脑上的IE或Firefox浏览器等的User-Agent关键词*/
		String[] pcHeaders = new String[] { "Windows 98", "Windows ME", "Windows 2000", "Windows XP", "Windows NT",
				"Ubuntu" };
		/**手机浏览器的User-Agent里的关键词*/
		String[] mobileUserAgents = new String[] { "Nokia", //诺基亚，有山寨机也写这个的，总还算是手机，Mozilla/5.0 (Nokia5800 XpressMusic)UC AppleWebkit(like Gecko) Safari/530
				"SAMSUNG", //三星手机 SAMSUNG-GT-B7722/1.0+SHP/VPP/R5+Dolfin/1.5+Nextreaming+SMM-MMS/1.2.0+profile/MIDP-2.1+configuration/CLDC-1.1
				"MIDP-2", //j2me2.0，Mozilla/5.0 (SymbianOS/9.3; U; Series60/3.2 NokiaE75-1 /110.48.125 Profile/MIDP-2.1 Configuration/CLDC-1.1 ) AppleWebKit/413 (KHTML like Gecko) Safari/413
				"CLDC1.1", //M600/MIDP2.0/CLDC1.1/Screen-240X320
				"SymbianOS", //塞班系统的，
				"MAUI", //MTK山寨机默认ua
				"UNTRUSTED/1.0", //疑似山寨机的ua，基本可以确定还是手机
				"Windows CE", //Windows CE，Mozilla/4.0 (compatible; MSIE 6.0; Windows CE; IEMobile 7.11)
				"iPhone", //iPhone是否也转wap？不管它，先区分出来再说。Mozilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; zh-cn) AppleWebKit/532.9 (KHTML like Gecko) Mobile/8B117
				"iPad", //iPad的ua，Mozilla/5.0 (iPad; U; CPU OS 3_2 like Mac OS X; zh-cn) AppleWebKit/531.21.10 (KHTML like Gecko) Version/4.0.4 Mobile/7B367 Safari/531.21.10
				"Android", //Android是否也转wap？Mozilla/5.0 (Linux; U; Android 2.1-update1; zh-cn; XT800 Build/TITA_M2_16.22.7) AppleWebKit/530.17 (KHTML like Gecko) Version/4.0 Mobile Safari/530.17
				"BlackBerry", //BlackBerry8310/2.7.0.106-4.5.0.182
				"UCWEB", //ucweb是否只给wap页面？ Nokia5800 XpressMusic/UCWEB7.5.0.66/50/999
				"ucweb", //小写的ucweb貌似是uc的代理服务器Mozilla/6.0 (compatible; MSIE 6.0;) Opera ucweb-squid
				"BREW", //很奇怪的ua，例如：REW-Applet/0x20068888 (BREW/3.1.5.20; DeviceId: 40105; Lang: zhcn) ucweb-squid
				"J2ME", //很奇怪的ua，只有J2ME四个字母
				"YULONG", //宇龙手机，YULONG-CoolpadN68/10.14 IPANEL/2.0 CTC/1.0
				"YuLong", //还是宇龙
				"COOLPAD", //宇龙酷派YL-COOLPADS100/08.10.S100 POLARIS/2.9 CTC/1.0
				"TIANYU", //天语手机TIANYU-KTOUCH/V209/MIDP2.0/CLDC1.1/Screen-240X320
				"TY-", //天语，TY-F6229/701116_6215_V0230 JUPITOR/2.2 CTC/1.0
				"K-Touch", //还是天语K-Touch_N2200_CMCC/TBG110022_1223_V0801 MTK/6223 Release/30.07.2008 Browser/WAP2.0
				"Haier", //海尔手机，Haier-HG-M217_CMCC/3.0 Release/12.1.2007 Browser/WAP2.0
				"DOPOD", //多普达手机
				"Lenovo", // 联想手机，Lenovo-P650WG/S100 LMP/LML Release/2010.02.22 Profile/MIDP2.0 Configuration/CLDC1.1
				"LENOVO", // 联想手机，比如：LENOVO-P780/176A
				"HUAQIN", //华勤手机
				"AIGO-", //爱国者居然也出过手机，AIGO-800C/2.04 TMSS-BROWSER/1.0.0 CTC/1.0
				"CTC/1.0", //含义不明
				"CTC/2.0", //含义不明
				"CMCC", //移动定制手机，K-Touch_N2200_CMCC/TBG110022_1223_V0801 MTK/6223 Release/30.07.2008 Browser/WAP2.0
				"DAXIAN", //大显手机DAXIAN X180 UP.Browser/6.2.3.2(GUI) MMP/2.0
				"MOT-", //摩托罗拉，MOT-MOTOROKRE6/1.0 LinuxOS/2.4.20 Release/8.4.2006 Browser/Opera8.00 Profile/MIDP2.0 Configuration/CLDC1.1 Software/R533_G_11.10.54R
				"SonyEricsson", // 索爱手机，SonyEricssonP990i/R100 Mozilla/4.0 (compatible; MSIE 6.0; Symbian OS; 405) Opera 8.65 [zh-CN]
				"GIONEE", //金立手机
				"HTC", //HTC手机
				"ZTE", //中兴手机，ZTE-A211/P109A2V1.0.0/WAP2.0 Profile
				"HUAWEI", //华为手机，
				"webOS", //palm手机，Mozilla/5.0 (webOS/1.4.5; U; zh-CN) AppleWebKit/532.2 (KHTML like Gecko) Version/1.0 Safari/532.2 Pre/1.0
				"GoBrowser", //3g GoBrowser.User-Agent=Nokia5230/GoBrowser/2.0.290 Safari
				"IEMobile", //Windows CE手机自带浏览器，
				"WAP2.0"//支持wap 2.0的
		};
		boolean b = false;
		boolean pcFlag = false;
		boolean mobileFlag = false;
		String via = request.getHeader("Via");
		String userAgent = request.getHeader("user-agent");
		for (int i = 0; via != null && !via.trim().equals("") && i < mobileGateWayHeaders.length; i++) {
			if (via.contains(mobileGateWayHeaders[i])) {
				mobileFlag = true;
				break;
			}
		}
		for (int i = 0; !mobileFlag && userAgent != null && !userAgent.trim().equals("")
				&& i < mobileUserAgents.length; i++) {
			if (userAgent.contains(mobileUserAgents[i])) {
				mobileFlag = true;
				break;
			}
		}
		for (int i = 0; userAgent != null && !userAgent.trim().equals("") && i < pcHeaders.length; i++) {
			if (userAgent.contains(pcHeaders[i])) {
				pcFlag = true;
				break;
			}
		}
		if (mobileFlag == true && pcFlag == false) {
			b = true;
		}
		return b;

	}

	/*public static Map<String, String> httpRequest(String addRess){
		String result1= HttpUtil.get("https://apis.map.qq.com/ws/geocoder/v1/?address=${"+addRess+"}&key=6HEBZ-KVQ6W-G3RRV-RV5G2-GTFRZ-ZWB2Z");
        AddressEntity addressEntity=JSON.parseObject(result1,AddressEntity.class);
		Map<String, String> map=new HashMap<>();
		map.put("lng",String.valueOf(addressEntity.getResult().getLocation().getLng()));
		map.put("lat",String.valueOf(addressEntity.getResult().getLocation().getLat()));
		map.put("ad_info",addressEntity.getResult().getAd_info().getAdcode().substring(0,4)+"00");
		return map;
	}*/
}
